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Vasoconstriction
Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, in particular the large arteries and small arterioles. The process is the oppos... |
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BBC - GCSE Bitesize: Blood and temperature control - Higher
... GCSE Additional Science about homeostasis and maintaining body temperature. ... The blood vessels do not move during vasodilation andvasoconstriction. |
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BBC Bitesize - GCSE Biology - Homeostasis - Revision 2
Learn about homeostasis, the regulation of conditions in the body such as temperature, ... too hot or too cold, there are ways in which your body temperature can be controlled. ... by sending nerve impulses to effectors to maintain body temperature. ... through the skin capillaries is altered by vasoconstriction and vasodilation. |
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Homeostasis - Vasoconstriction - YouTube
I short video I made for science about Vasoconstriction. Like I said in my last commentary, this video is meant to be accessible down to kids in ... |
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The Cardiovascular System: Blood Vessels
... local blood flow, because vasoconstriction or vasodilation can dramatically ... pressure remains unchanged (due to homeostatic mechanisms that maintain ... |
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Heat Conservation and Dissipation - Boundless
Heat dissipation is characterized by the ability to undergo vasodilation which increases blood ... ability to utilize both vasoconstriction and vasodilation to maintain internal body temperature. ... the loss of significant amounts of body fat will compromise an individual's ability to conserve heat. ... Homeostasis: Thermoregulati... |
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Homeostasis - GCSE Biology Revision - XtremePapers | Advancing ...
The human body has the ability to maintain a constant internal environment so that ... If there is sweat or water on the skin, it will absorb body heat to evaporate which ... Vasodilation: this action causes the body to lose heat quickly. ... Vasoconstriction: this causes the blood vessels to become narrower to reduce heat loss. |
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Thermoregulation | Definition and Patient Education - Healthline
Thermoregulation is the process that allows the human body to maintain its core internal temperature. The state of having an even internal temperature is called homeostasis. ... Vasoconstriction: Your CNS may signal your capillaries to constrict, ... Thermogenesis: Your body's muscles, organs, and brain can produce heat ... |